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Once you have any serious sized application running on Glassfish, you need to profile and tune your server settings. A good tool to look under the hood of a running Glassfish is to to connect jconsole (part of JDK) to its JVM. This works without problem for a local Glassfish but when it comes to a remote instance you cant connect to the default Glassfish setup.

So far I did not suceed finding an online code collaboration tool for code review that is embedded in Netbeans. Except the collab plugin which requires a XMPP server (which I installed but NB not really willing to log into it and rewarding me with errors). I found another tools which is not embedded in Netbeans but an editor by itself: GOBBY (link).
It supports several team members working on the same (text) file and comes with a chat. One needs to start in host mode, so no server is required. It runs both under Windows and Linux. Unfortunately I did not manage to make the Windows version talk to a Linux host.
It still works ok for me because I can share a file (from my Netbeans project) by opening it directly in Gobby. Once the changes are made and you go back to Netbeans, the IDE will update the modified file.

I love 3D engines and the concepts of simuation of real world scenarios with realistic looking software. Most of the 3D engines are heavily infested with C, C++ or C# (due to higher performance) and almost all of them have a hefty learning curve, if you want to go beyond the click-and-play editor of the simple game engines. I dont really have time to get involved in technology that is too far away from Java and Java is not really known for powerful 3D graphics…until I found this:

And if you want to have a simpler start into the world of physics, you can play with Phys2D. I even someone implementing a simple game in JavaFX using this ! Will share more on this on the next sunday afternoon sesion.